APA (7th ed.) Citation

De Leon, L. P. (1973). The effect of grouping on achievement, classroom participation and interaction of students in modern geometry at the Manuel L. Quezon (Public) High School, Manila. s.n.].

Chicago Style (17th ed.) Citation

De Leon, Lorenzo Padua. The Effect of Grouping on Achievement, Classroom Participation and Interaction of Students in Modern Geometry at the Manuel L. Quezon (Public) High School, Manila. [Quezon City: s.n.], 1973.

MLA (9th ed.) Citation

De Leon, Lorenzo Padua. The Effect of Grouping on Achievement, Classroom Participation and Interaction of Students in Modern Geometry at the Manuel L. Quezon (Public) High School, Manila. s.n.], 1973.